Idan aka kwatanta da ayyukan gine-gine na gabaɗaya, manyan ayyukan injiniya na ƙarfe na ƙarfe suna da halaye na kwararar tsari mai rikitarwa, ƙwarewa da yawa, babban saka hannun jari, lokacin gini mai tsauri, babban adadin shigarwa da ƙwarewar gini ...
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